Stay low, stay fast, stay hydrated.

The Camelbak Crux™ Lumbar 1.5L Reservoir delivers 20% more water per sip, letting you fuel longer adventures without the bulk of a traditional hydration setup. Designed to sit low and steady in your pack, the Crux Lumbar helps maintain your center of gravity, making it ideal for fast-paced hikes, MTB rides, and trail runs.

Built with convenience in mind, the reservoir features a leak-proof on/off lever, ergonomic handle for one-handed fill-ups, and Camelbak’s Quicklink™ system for hassle-free disconnection from your pack—no drips, no fuss.

Key Features

• Capacity: 1.5L / 50 oz
• Weight: 210g / 7 oz
• 20% More Water Per Sip: Optimized for faster flow to keep pace with your effort
• Big Bite™ Valve: Self-sealing design for easy hydration without leaks
• Leak-Proof Cap & On/Off Lever: Keeps your gear dry and your water under control
• Reservoir Baffle: Ensures a low-profile, stable fit in your lumbar pack
• Ergonomic Handle: Makes refills quick and easy
• Quicklink™ System: Easily disconnect reservoir from your pack without spills
• Safe Materials: BPA, BPS, and BPF free

Perfect For: Lumbar-style hydration packs, mountain biking, running, and hiking when balance and stability are key.